DEF_CONFIGFS_ATTRIB_SHOW(unmap_zeroes_data);
DEF_CONFIGFS_ATTRIB_SHOW(max_write_same_len);
DEF_CONFIGFS_ATTRIB_SHOW(emulate_rsoc);
+DEF_CONFIGFS_ATTRIB_SHOW(submit_type);
#define DEF_CONFIGFS_ATTRIB_STORE_U32(_name) \
static ssize_t _name##_store(struct config_item *item, const char *page,\
return count;
}
+static ssize_t submit_type_store(struct config_item *item, const char *page,
+ size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ int ret;
+ u8 val;
+
+ ret = kstrtou8(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (val > TARGET_QUEUE_SUBMIT)
+ return -EINVAL;
+
+ da->submit_type = val;
+ return count;
+}
+
CONFIGFS_ATTR(, emulate_model_alias);
CONFIGFS_ATTR(, emulate_dpo);
CONFIGFS_ATTR(, emulate_fua_write);
CONFIGFS_ATTR(, max_write_same_len);
CONFIGFS_ATTR(, alua_support);
CONFIGFS_ATTR(, pgr_support);
+CONFIGFS_ATTR(, submit_type);
/*
* dev_attrib attributes for devices using the target core SBC/SPC
&attr_alua_support,
&attr_pgr_support,
&attr_emulate_rsoc,
+ &attr_submit_type,
NULL,
};
EXPORT_SYMBOL(sbc_attrib_attrs);
&attr_emulate_pr,
&attr_alua_support,
&attr_pgr_support,
+ &attr_submit_type,
NULL,
};
EXPORT_SYMBOL(passthrough_attrib_attrs);
}
EXPORT_SYMBOL(target_cmd_parse_cdb);
-/**
- * target_submit - perform final initialization and submit cmd to LIO core
- * @cmd: command descriptor to submit
- *
- * target_submit_prep or something similar must have been called on the cmd,
- * and this must be called from process context.
- */
-int target_submit(struct se_cmd *cmd)
+static int __target_submit(struct se_cmd *cmd)
{
sense_reason_t ret;
transport_generic_request_failure(cmd, ret);
return 0;
}
-EXPORT_SYMBOL_GPL(target_submit);
sense_reason_t
transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *sgl,
se_plug = target_plug_device(se_dev);
}
- target_submit(se_cmd);
+ __target_submit(se_cmd);
}
if (se_plug)
}
EXPORT_SYMBOL_GPL(target_queue_submission);
+/**
+ * target_submit - perform final initialization and submit cmd to LIO core
+ * @cmd: command descriptor to submit
+ *
+ * target_submit_prep or something similar must have been called on the cmd,
+ * and this must be called from process context.
+ */
+int target_submit(struct se_cmd *se_cmd)
+{
+ const struct target_core_fabric_ops *tfo = se_cmd->se_sess->se_tpg->se_tpg_tfo;
+ struct se_dev_attrib *da = &se_cmd->se_dev->dev_attrib;
+ u8 submit_type;
+
+ if (da->submit_type == TARGET_FABRIC_DEFAULT_SUBMIT)
+ submit_type = tfo->default_submit_type;
+ else if (da->submit_type == TARGET_DIRECT_SUBMIT &&
+ tfo->direct_submit_supp)
+ submit_type = TARGET_DIRECT_SUBMIT;
+ else
+ submit_type = TARGET_QUEUE_SUBMIT;
+
+ if (submit_type == TARGET_DIRECT_SUBMIT)
+ return __target_submit(se_cmd);
+
+ target_queue_submission(se_cmd);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(target_submit);
+
static void target_complete_tmr_failure(struct work_struct *work)
{
struct se_cmd *se_cmd = container_of(work, struct se_cmd, work);